Reaxys This link opens in a new windowCheminformatics database that includes chemistry, medicinal chemistry, and pharmacology data. Indexes information with multiple taxonomies and includes a broad range of data types from patents, journals, and books: organic, inorganic and organometallic substances, including data on natural products with their species derivation, chemical reactions, experimental facts, including substance property, spectral and reaction data, documents from chemistry-related periodicals, and patents from around 105 patent offices.